York DYZ 024, Installation Manual

Page: 9 / 24

66435-BIM-B-1004
Unitary Products Group 9
TABLE 3: NATURAL GAS APPLICATION DATA
A
VAILABLE
O
N
M
ODELS
I
NPUT
C
APACITY
(M
BH
)
1
O
UTPUT
C
APACITY
(M
BH
)
G
AS
R
ATE
2
F
T
.
3
/H
R
.
N
UMBER OF
B
URNERS
T
EMP
. R
ISE
ºF A F
ULL
I
NPUT
3
M
IN
. M
AX
.
2, 2-1/2, 3 TON 45 36 42 2 25 55
2, 2-1/2, 3 TON 70 56 65 3 25 55
3-1/2, 4, 5 TON 80 64 74 3 25 55
3 TON 90 72 84 4 30 60
3-1/2, 4, 5 TON 108 87 100 4 30 60
4, 5 TON 135 108 126 5 35 65
1.
Heating capacity valid for elevations up to 2000 feet above sea level. For elevations above 2,000 feet, rated capacity should be
reduced by 4% for each 1,000 feet above sea level.
2.
Based on 1075 BTU/Ft.
3
.
3.
The air flow must be adequate to obtain a temperature rise within the range shown. Continuous return air temperature should not
be below 55°F.
TABLE 4: PROPANE
1
(LP) GAS APPLICATION DATA
A
VAILABLE
O
N
M
ODELS
I
NPUT
C
APACITY
(M
BH
)
2
O
UTPUT
C
APACITY
(M
BH
)
G
AS
R
ATE
3
F
T
.
3
/H
R
.
N
UMBER OF
B
URNERS
T
EMP
. R
ISE
ºF A F
ULL
I
NPUT
4
M
IN
. M
AX
.
2, 2-1/2, 3 TON 45 36 18 2 25 55
2, 2-1/2, 3 TON 70 56 28 3 25 55
3-1/2, 4, 5 TON 80 64 32 3 25 55
3 TON 90 72 36 4 30 60
3-1/2, 4, 5 TON 108 87 43 4 30 60
4, 5 TON 135 108 54 5 35 65
1.
Propane applications are accomplished by field installation of a Propane Conversion Accessory, Model 1NP0805.
2.
Heating capacity valid for elevations up to 2,000 feet above sea level. For elevations above 2,000 feet, rated capacity should be
reduced by 4% for each 1,000 feet above sea level.
3.
Based on 2500 BTU/Ft.
3
.
4.
The air flow must be adequate to obtain a temperature rise within the range shown. Continuous return air temperatures should not
be below 55°F.